Standard for Controllers for Use in Power Production

1 Scope

1.1 These requirements apply to control panels, control units, and other various electrical circuits

employed within a control circuit device intended for support functions, maintaining operation and limiting

safety control features for use in a Stationary Engine Driven Assembly or similar power production

equipment control applications.

1.2 These requirements cover controls operating at 600 Volts maximum with sensing and measurement

circuits without the use of isolation devices and 36 kV a.c. or d.c. maximum with the use of isolation

devices.

1.3 These requirements apply only to electrically operated control equipment.

1.4 These requirements apply to equipment intended to be operated and installed by skilled personnel in

the field.

1.5 These requirements apply to control equipment used in or with movable engine driven assemblies

that are otherwise constructed the same as Stationary engine driven assemblies.

1.6 These requirements do not cover:

a) Distribution equipment whose sole function is the automatic or nonautomatic transferring of

one or more load conductor connections from one power source to another. In Canada the

Standard for Transfer Switch Equipment is CSA C22.2 No. 178.1-14. In the United States the

Standard for Transfer Switch Equipment is UL 1008.

b) Devices in the power circuit, but may apply to pilot devices that would control switching

devices in the power circuit and devices that include circuits that monitor a power circuit.

c) Controls for the propulsion engine of a vehicle.

d) Independent equipment that does not perform any control function of an engine driven

assembly or similar power production equipment control applications.

e) Equipment or devices for use in or connected to hazardous (Classified) locations.